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Questions related from Rashiga Walallawita
Hello all, I need to pre-crack a steel specimen with the following dimensions. W = 25mm, an = 6mm, B = 5mm How do I identify the force required for the pre-crack initiation?
31 May 2024 1,212 2 View
Hello fellow researchers, I would like to measure strain using an LVDT for tensile testing for a specific test. If any of you have hands-on experience with interfacing an LVDT to an MTS...
31 August 2023 7,265 4 View
Hello everyone, What is the most convenient method to machine a notch in a compact tension specimen according to ASTM E647 standard? I do not have the option to use wire cut EDM and I'm just...
08 June 2023 2,964 2 View
Hello Researchers, To conduct fracture toughness tests for pipeline material how do you machine specimen using pipelines with small thicknesses (ex 7mm)? According to ASTM E399, how do you...
18 November 2022 2,871 6 View
Hello All, I'm looking into measuring crack growth rate using the DCPD method and was wondering if it is possible to use a "bench top power supply" and a multimeter with higher accuracy? Or do I...
27 June 2022 9,385 8 View
Hi all, I'm simulating residual stress generated in a metal casting. I'm using Ansys Fluent to obtain the temperature history and I'm using Ansys mechanical to obtain the stress generated due to...
30 September 2021 7,139 7 View
Hi all, I'm interested in testing the Hydrogen Embrittlement of several metals. I Interms of fracture testing and fatigue crack growth rate testing I want to know the difference between the...
23 March 2021 3,175 5 View
Hi all, I want to know how to add DOF for a set of nodes relative to a remote location in APDL? A similar function is available in Ansys mechanical workbench called 'remote displacement" or...
28 September 2019 1,745 2 View
Dear all, I have set of results obtained from fea software using a particular DOE. I imported the data using an excel file to MATLAB and used the curve fitting tool to obtain the response...
06 April 2019 3,344 1 View
Hi all, I would like to know what is the difference between MOGA and NSGA-II, in some literature it classifies as two separate methods but in other it classify NSGA as a MOGA method. Thank...
08 March 2019 5,416 8 View
There are several types of mean stress correction methods in fatigue analysis such as Goodman, Gerber, etc, So for a fatigue analysis what is the basis of selecting a mean stress correction...
21 August 2018 9,334 11 View
Hi all, I've being trying to simulate effect of bolt pretension using ANSYS mechanical. The bolt load is 12000 N. I'm using axi-symmetric simulation. The issue is stress concentration is high on...
25 May 2018 1,071 1 View
Hi, Can any one please let me know how to configure ABAQUS solver for ANSYS workbench? So I can run simulations using ABAQUS solver which are pre-processed in ANSYS. I read the help file, but...
24 January 2018 3,071 3 View
Hi all, According to literature it is said that inoreder to simulate the residual stresses correctly in metal castings viscoplastic or elastoplastic creep material model should be used. Does...
01 January 1970 5,672 1 View
Hello researchers, If a cyclic load is used for fatigue crack growth testing, why does it require pre-crack with a cyclic load? Isn't it the same thing?
01 January 1970 1,679 7 View
